Electric Installations - Pahlen MiniMaster User Manual

MiniMaster
7. Installation el
Electric installations must be always performed by a qualified electrician.
Pipes installation must be completed before electrical installations.
Pahlén recommends fixed installation with a 2-pole operation switch and RCD.
Loosen four cover screws. The controller housing can be easily hooked into the open position in order to facilitate installation
work, see Fig. 5.
NOTE! Make sure that the band cable from the circuit board to the cover is not trapped.
pH / Rx
PB100
BNC
PCB - controller for chlorine, redox and/or pH
Plug in power cable and any dosing equipment onto every controller according
to the following diagram.
The circuit board multipole connectors (on the right) can be dismounted in order
to provide easy access to the screw terminals for each cable connection.
Other circuit board contactors have already been installed at the factory.
Display panel
Red
Black
GND
Red
Black
Interconnection of
"flow signals" on the
circuit board
(only 416620-X).
L1
N
RN
R +
R –
Dosing
equipment
1~230V AC
Dosing
equipment
max 5V DC
Signal (OC+)
±0V (OC–)
6
ENGLISH
Haka fast kåpan försiktigt på
Hook cover onto the circuit
kretskortets kant.
board edge carefully.
AC IN
Main power to unit connection.
Relay connection
Dosing equipment connection, 230VAC.
Max 1A
RN: Zero/neutral
(common for dosing equipment).
R+: Phase for chlorine or pH-increasing
agent dosing equipment.
R-: Phase for chlorine or pH-decreasing
agent dosing equipment.
OC+ / OC-:
"Open collector" transistor output for dosing
equipment, 5V max.
pH / Rx:
Cable connection to BNC connector for pH
or Redox electrode.
PB100:
Cable connection to BNC connector for free
chlorine electrode.
GND:
Connecting the ground sleeve
(Only at free chlorine measurement).
Bild 5
Fig. 5